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DoubleStar ACE AR-15/SIG 556 Receiver Block A501

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Ships from Warehouse 1
Typically ships the same business day when ordered before 4pm CST.
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AR15 / SIG 556 Receiver Block (ARRB)

Can only be used with short bolt carrier alternate recoil systems like Olympic Arms OA 93 or with most .22 conversion kits or may be used with SIG 556 (not compatible with SIG 556 Classic), and all other weapons that use AR-15 stock interface.

Features and Specifications:
Manufacturer Number: A501
Length .375 from back edge of receiver.
Weight 48g. (1.7 oz).
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